The end of animal testing? Human-organs-on-chips win Design of the Year

They may look like humble little blocks, but these miracle devices could end animal testing, revolutionise the development of new drugs – and lead us into a world of entirely personalised medicine

V&A conservators race to preserve art and design classics in plastic

Materials that reshaped design in the 20th century are now showing signs of degradation due to the instability of plastics

Rem Koolhaas crafts a spectacular ‘city of art’ for Prada in Milan

A new Roman Polanski film is being shown, Jeff Koons and Donald Judd artworks are strewn about, and Wes Anderson’s designed the kitsch cafe … in a scruffy industrial corner of Milan, Rem Koolhaas and Miuccia Prada have made a dazzling art space, so vast it’s practically a city. Oliver Wainwright is in awe

How we made the Brompton folding bike

Andrew Ritchie, inventor: ‘I set out to make a magic carpet you can keep in your pocket. It’s been a perilous journey’

Top London museums focus on our obsession with the shoe

Three major summer exhibitions will highlight how footwear can define and transform us